Secret relationship soukoku (Dazai x Chuuya)

Some spoilers for bsd
What if Dazai and Chuuya were dating before Odasakus death and Dazai told Chuuya that he's leaving the Port mafia.
4 years later they are still dating.
and Ada are starting to think that Dazai may be in a relationship.
What will they think when they find out?
our will they? and are they going to be mad?
What will happen?

It's out of character story

It's my first story and English isn't my first language. So there will be a lot of grammar mistakes.